Commit f4552c2d authored Jun 17, 2016 by David Howells

rxrpc: Validate the net address given to rxrpc_kernel_begin_call()



Validate the net address given to rxrpc_kernel_begin_call() before using
it.

Whilst this should be mostly unnecessary for in-kernel users, it does clear
the tail of the address struct in case we want to hash or compare the whole
thing.

Signed-off-by: David Howells <dhowells@redhat.com>

parent 4a3388c8

net/rxrpc/af_rxrpc.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -280,9 +280,14 @@ struct rxrpc_call rxrpc_kernel_begin_call(struct socket sock,
		struct rxrpc_transport *trans;
		struct rxrpc_call *call;
		struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
		int ret;

		_enter(",,%x,%lx", key_serial(key), user_call_ID);

		ret = rxrpc_validate_address(rx, srx, sizeof(*srx));
		if (ret < 0)
		return ERR_PTR(ret);

		lock_sock(&rx->sk);

		if (!key)